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LYMAN 7862003 UNI TRIMMER W/POWER ADAPTER
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
$137.99
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SKU: 7862003-011516720030
Overview
Built for reloaders who want one trimming setup that can move between hand and powered operation, this combo pairs Lyman’s Universal case trimmer with a power adapter for quick conversion using a standard electric hand drill or power screwdriver. It is designed to streamline case trimming at the bench, especially when working through larger batches, with the option to return to hand use without changing settings. The Universal Chuckhead system supports caliber changes from .17 to .458 without collets, and the package includes 9 popular pilots. This is a practical choice for serious handloaders who value flexibility and efficient workflow over a dedicated single-mode trimmer.
Why Hunters Choose the Lyman
Converts Quickly
The included adapter
Uses Standard
Electric hand drill or power
Patented Universal
Chuckhead system supports calibers from
No Collets
Required for caliber changes
Includes Nine
Of the most popular pilots
Key Features
- Converts from hand trimming to power trimming in seconds
- Includes Lyman Power Adapter and Universal case trimmer
- Uses a standard electric hand drill or power screwdriver
- Power trims over 250 cases an hour
- Universal Chuckhead system switches to calibers from .17 to .458
- Includes 9 of the most popular pilots
Best Used For
- Reloaders who want one trimmer that switches between hand and power operation quickly.
- Users trimming large case batches with a standard drill or power screwdriver.
- Shooters loading multiple calibers from .17 to .458 without collets.
- Bench reloaders who value a compact setup with included popular pilots.
- Hunters maintaining their own ammunition and seeking a flexible trimming tool.
Specifications
| Caliber Range | .17 up to .458 |
|---|---|
| Collets Required | No |
| Compatible Power Source | Standard electric hand drill or power screwdriver |
| Conversion | Quick conversion between hand and power trimming |
| Cutter And Stop Collars Included | Yes |
| Operation Type | Hand and power |
| Patented Universal Chuckhead System | Yes |
| Pilots Included | 9 |
| Power Adapter Included | Yes |
| Product Type | Case trimmer |
| Trimming Rate | Over 250 cases an hour |
Pros
- Converts quickly between hand and power trimming with the included adapter.
- Uses a standard electric hand drill or power screwdriver for powered operation.
- Patented Universal Chuckhead system supports calibers from .17 to .458.
- No collets required for caliber changes.
- Includes nine of the most popular pilots.
- Adapter shaft includes its own cutter and stop collars for easy switching.
Considerations & Trade-offs
- Requires a standard electric hand drill or power screwdriver for powered trimming, so it is not a standalone electric unit.
- The power conversion adds setup steps compared with simple hand-only trimming, even though it is designed to switch back and forth quickly.
- The included pilot set covers 9 popular sizes, but additional pilots may still be needed depending on the calibers you load.
- The Universal Chuckhead system supports calibers from .17 up to .458, so users working outside that range will need a different solution.
Suggested Comparisons
- Case trimmers for reloading
- Hand-operated reloading tools
- Power-assisted case trimming tools
- Universal caliber case trimming systems
Suggested Accessories
- Case trimmer accessories
- Reloading bench tools
- Power adapter accessories
- Replacement pilots
Frequently Asked Questions
Can this trimmer be used by hand and with a drill?
Yes. The product combines Lyman’s Universal case trimmer with a Power Adapter, allowing conversion from hand trimming to power trimming and back again.
What do I need to use the power-trimming setup?
A standard electric hand drill or power screwdriver is required to use the power adapter.
Does switching between hand and power mode require resetting the trimmer?
No. The adapter shaft includes its own cutter and stop collars, so you can convert back and forth without changing settings.
What cartridge sizes will it work with?
The patented Lyman Universal Chuckhead system is stated to switch to any caliber from .17 up to .458.
What comes included with the trimmer?
The product includes the Power Pack Combo with Lyman’s Power Adapter and Universal case trimmer, plus 9 of the most popular pilots.